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发明名称
PROCESSES FOR REFINING THE GRAIN SIZE OF METALS
摘要
申请公布号
GB1407197(A)
申请公布日期
1975.09.24
申请号
GB19710054626
申请日期
1971.11.24
申请人
WIGGIN CO LTD HENRY
发明人
分类号
B22D11/11;C22C1/02;C22C19/00;(IPC1-7):C22C1/06;B22D1/00
主分类号
B22D11/11
代理机构
代理人
主权项
地址
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